Avoid reporting false-positive StopAsyncIteration in the asyncio integration (#4741)

If a coroutine exits an async loop by raising `AsyncStopIteration`,
Sentry reports it as an error. There is no error in that case.

Co-authored-by: Anton Pirker <[email protected]>

Author: vmarkovtsev

sentry_sdk/integrations/asyncio.py

@@ -51,6 +51,8 @@ async def _task_with_sentry_span_creation():
                     ):
                         try:
                             result = await coro
+                        except StopAsyncIteration as e:
+                            raise e from None
                         except Exception:
                             reraise(*_capture_exception())